A vacuum pump with a capacity of 6–12 cfm should be adequate to evacuate systems with capacities up to _____.
a. 10 tons
b. 30 tons
c. 50 tons
d. 100 tons
b. 30 tons
You might also like to view...
Why does the power control become one of the main issues for the efficient operation of CDMA?
What will be an ideal response?
King George III officially declared the colonies in rebellion just after
A. the armed clash at Lexington and Concord. B. the First Continental Congress convened. C. the Battle of Bunker Hill. D. Benedict Arnold's forces' captured Ticonderoga and Crown Point. E. hiring Hessian solders to fight in America.
A(n) ____________________ is an imperfect plane formed by the center points of all line segments bounded by the feature of size.
Fill in the blank(s) with the appropriate word(s).
The return duct portion of an air handling system never needs to be insulated.
Answer the following statement true (T) or false (F)